Fix storage implementations to declare parent fields

Co-authored-by: ChenZiHong-Gavin <[email protected]>

Author: Copilot

graphgen/models/storage/json_storage.py

@@ -7,6 +7,8 @@
 
 @dataclass
 class JsonKVStorage(BaseKVStorage):
+    working_dir: str = None
+    namespace: str = None
     _data: dict[str, str] = None
 
     def __post_init__(self):
@@ -53,6 +55,8 @@ async def drop(self):
 
 @dataclass
 class JsonListStorage(BaseListStorage):
+    working_dir: str = None
+    namespace: str = None
     _data: list = None
 
     def __post_init__(self):

graphgen/models/storage/networkx_storage.py

@@ -11,6 +11,9 @@
 
 @dataclass
 class NetworkXStorage(BaseGraphStorage):
+    working_dir: str = None
+    namespace: str = None
+
     @staticmethod
     def load_nx_graph(file_name) -> Optional[nx.Graph]:
         if os.path.exists(file_name):